But I realized I was doing things that I didn't want to do, just to please other people who really didn't care about me anyway. So, I stopped. Now I only do something if I have to, like pay bills, taxes, etc... or if it suits me.

She decided that she and our son would be better off if I left. I disagreed, of course, but I came to a point where I believed, naively, that giving her that space would help. It didn't (big surprise).
I had been surfing couches for a month, and needed to take some action. So...